@misc{indiciae9ddcedd6a3d7,
  title = {Geographic distribution: Rana pipiens},
  author = {H. M. Smith and G. A. Hammerson and D. Chiszar and C. Ramotnik},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70127895},
  note = {Source identifier: 70127895}
}